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<blockquote data-quote="BassErex" data-source="post: 8853249" data-attributes="member: 688930">Update 2: Last time after disconnecting the equipment from battery and all instalation of the car, (welding exhaust). And instaled back all powers (all wires are tight, no slack) I&#039;ve noticed a bit more of a drop voltage on amps and very small power of subs. Oh ok, my volt meter readed 13,8v, so i caught a multimeter and test voltage on amp, I noticed every few seconds voltage drops to 11volts! it is possible that the drops are lower, but reading of multimetter is not fast... Maybe that&#039;s been my problem all along. My subs is now wired to 0,5 ohm on amp. At higher wirring (2ohm) i not see this problem on amp terminalls..On my battery voltage is strong, so problem is only on wires..I suspect a problem of wires ground, but i dont know why...This time I will try to do as short as posible wires ground to amp, I give grounds parrael 2x 50mm2 to chasis and of this same point chasis to amps, but 70mm2 wires x2 <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /></blockquote>

[QUOTE="BassErex, post: 8853249, member: 688930"] Update 2: Last time after disconnecting the equipment from battery and all instalation of the car, (welding exhaust). And instaled back all powers (all wires are tight, no slack) I've noticed a bit more of a drop voltage on amps and very small power of subs. Oh ok, my volt meter readed 13,8v, so i caught a multimeter and test voltage on amp, I noticed every few seconds voltage drops to 11volts! it is possible that the drops are lower, but reading of multimetter is not fast... Maybe that's been my problem all along. My subs is now wired to 0,5 ohm on amp. At higher wirring (2ohm) i not see this problem on amp terminalls.. On my battery voltage is strong, so problem is only on wires.. I suspect a problem of wires ground, but i dont know why... This time I will try to do as short as posible wires ground to amp, I give grounds parrael 2x 50mm2 to chasis and of this same point chasis to amps, but 70mm2 wires x2 :) [/QUOTE]

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